FEDERALItem 8.01 · voluntaryMalwareManufacturingManufacturingRansomwareData EncryptedLowContained

MUELLER WATER PRODUCTS, INC.

bd_a7fae3f6e257821e · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Nov 29, 2023

To disclose

—

Affected

Not disclosed

Confidence

67%

Full breach record for MUELLER WATER PRODUCTS, INC. →4 incidents on file

Mueller Water Products, Inc. disclosed a cybersecurity incident involving unauthorized access and ransomware deployment by a third party. The incident disrupted internal operational and IT systems, limiting order-taking and shipping capabilities. The company states the activity has been contained and operations are substantially normalized. A separate incident involving an end-of-life system was also identified. The company is analyzing data accessed or exfiltrated and expects to file its Form 10-K by December 14, 2023.

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Incident timeline — partial

? — ?

Breach window unknown

Nov 29, 2023

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: MUELLER WATER PRODUCTS, INC.
norm: mueller water products
SEC CIK: 0001350593

Name: MUELLER WATER PRODUCTS, INC.
norm: mueller water products
SEC CIK: 0001350593
Industry: Manufacturingllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: External

During the incident: Contained the unauthorized activity
Restored impacted applications and systems
Executing business continuity and restoration plans
Verifying data and completing fiscal 2023 processes
Analyzing data accessed, exfiltrated or otherwise impacted
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000054/
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Nov 29, 2023
Raw hash: 9571ae5eee7600ede6d24a4502fb5f6be88e68d3b583f406fe1fe16708a8061d

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Reporting entityMUELLER WATER PRODUCTS, INC.

Victim entityMUELLER WATER PRODUCTS, INC.

IncidentRansomware

Stated responseContained the unauthorized activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing